The Armaspec AR10 Firing Pin is precision-manufactured from 17-4 stainless steel and H900 hardened for superior durability and reliability in AR-10 rifle platforms.Armaspec AR10 Firing Pin17-4 stainless steel construction for corrosion resistanceH900 hardened treatment for enhanced durabilitySpecifically designed to fit AR-10 riflesStainless steel finishThis premium firing pin component ensures consistent ignition and long-lasting performance for AR-10 enthusiasts and professional users seeking reliable firearm components.